15122-1948 BU 618 BC

 
 
15h 12m 17.12s -19° 47' 49.7" P.A. 13.00 sep 2.1 mag 10.87,11.40 Sp G5IV
 
 
Coord 2000 15122-1948 Discov num BU  618 Comp BC Coord arcsec 2000 15 12 17.12 -19 47 49.7
Date first 1878 Date last 2016 Obs 22
Pa first 24 Pa last 12.9 P.A. Now (θ) 12.9°
Sep first 1.9 Sep last 2.058 Sep. Now (ρ) 2.058"
Mag pri 10.87 Mag sec 11.40 delta mag (ΔM) 0.53 Spectral class G5IV (yellow)
Pri motion ra -039 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
15122-1948 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 159090 15 12 13 -19 47 30 B 2351 Aa,Ab 2021 75 117 0.1 5.10 5.50 0.40 Y
Show Iot Lib 159090 15 12 13 -19 47 30 H 6 44 AB 2016 30 111 57.7 4.53 10.87 6.34
Show 15 12 17 -19 47 50 BU 618 BC 2016 22 13 2.1 10.87 11.40 0.53 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Libra Gaia DR2 6256039162806785664